mPEG

Poly(ethylene glycol) methyl ether 2-bromoisobutyrate, MW 5000

mPEGBIB 5K  ·  CAS 245070-97-7
mPEGBIB 5K structural formula
CAS Number 245070-97-7
Molecular Formula CH3O(CH2CH2O)nC(=O)C(CH3)2Br
Molecular Weight ~5,000 g/mol
SMILES COCCOCCOCCOCCOCCOCCOCCOCCOCCOC(=O)C(C)(C)Br

Specifications

AppearanceWhite waxy solid
Molecular Weight~5,000 g/mol (nominal)
SolubilitySoluble in THF, chloroform
StorageRefrigerate under inert atmosphere. The C–Br bond is sensitive to light and heat.
Country of OriginConfirmed with quote

Applications

ATRP macroinitiatorBlock copolymer synthesisDrug deliverySurface functionalization

Key Reference

Matyjaszewski, K.; Xia, J. Chem. Rev. 2001, 101, 2921–2990. Comprehensive review of atom transfer radical polymerization: mechanism, catalysts and polymer architectures.

Quality & Documentation

This is a made-to-order grade. Availability, specifications, test methods, and documentation requirements must be confirmed during quotation and before the material is specified into a qualified process. A lot-specific Certificate of Analysis will be issued with the production shipment.

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Made-to-order grade. Availability, specifications, and documentation are confirmed with the quote.
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Product documentation requirements are confirmed during qualification.